6th Brigade may refer to:

• 6th Mountain Infantry Brigade (Argentina)

• 6th Brigade (Australia)

• 6th Brigade (Austria)

• 6th Separate Special-Police Brigade

• 6th Canadian Infantry Brigade

• 6th Armoured Brigade (France)

• 6th Indian Brigade in the First World War
• 6th Indian Cavalry Brigade in the First World War
• 6th Indian Infantry Brigade in the Second World War

• Etzioni Brigade

• 6th Infantry Brigade (New Zealand)

• 6th Brigade (Norway)

• 6th Airborne Brigade (Poland)

• 6th Anti-aircraft Missiles Brigade (Romania)

• 6th Separate Tank Brigade (Russia)
• 6th Separate Guards Cossack Motor Rifle Brigade

• 6th Infantry Brigade (South Africa)

• 6th Mechanized Brigade (Ukraine)

• 6th Airlanding Brigade (United Kingdom)
• 6th Armoured Brigade (United Kingdom)
• 6th Cavalry Brigade (United Kingdom)
• 6th Guards Brigade
• 6th Infantry Brigade (United Kingdom)
• 6th Mounted Brigade (United Kingdom)
• Artillery Brigades
  • 6th (Howitzer) Brigade Royal Field Artillery
  • VI Brigade, Royal Horse Artillery